[1] Harvard Med Sch, Brigham & Womens Hosp, Div Plast Surg, Dept Surg, 75 Francis St, Boston, MA 02115 USA
[2] Washington Univ St Louis, St Louis, MO 63130 USA
[3] Peking Univ, Shenzhen Hosp, Dept Plast Surg, Shenzhen, Guangdong, Peoples R China
[4] Heidelberg Univ, BG Trauma Ctr Ludwigshafen, Dept Hand Plast & Reconstruct Surg Microsurg, Ludwigshafen, Germany